Home / 47,640.92-65,744.10-26,420.24

Finding the Fourth Proportional to 47,640.92, 65,744.10 and 26,420.24

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Solution

The fourth proportional to 47,640.92, 65,744.10 and 26,420.24 is: 36,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,640.92 : 65,744.10 = 26,420.24 : x
  2. Step 2: Convert to fraction form
    47,640.92/65,744.10 = 26,420.24/x
  3. Step 3: Cross multiply
    47,640.92x = 65,744.10 × 26,420.24
  4. Step 4: Simplify right side
    47,640.92x = 1,736,974,900.58
  5. Step 5: Solve for x
    x = 1,736,974,900.58/47,640.92
  6. Step 6: Final answer
    x = 36,459.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.